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 A284277 Primitive terms of A216072. 0
 276, 564, 660, 966, 1074, 1134, 1464, 1476, 1488, 1512, 1560, 1578, 1632, 1734, 1920, 1992, 2232, 2340, 2360, 2514, 2664, 2712, 2982, 3270, 3366, 3408, 3432, 3564, 3678, 3774, 3876, 3906, 4116, 4224, 4290, 4350, 4380, 4788, 4800, 4842 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS In other words, such terms of A216072 that cannot be written as k*t where k is integer, k > 1, t is a term of A216072. LINKS EXAMPLE Since 276 is the first term of A216072, the number is in the sequence. But A216072(2) = 552 is not, because A216072(2) = 2 * A216072(1) = 2 * 276. CROSSREFS Cf. A216072. Sequence in context: A228517 A008892 A216072 * A133215 A015232 A128382 Adjacent sequences:  A284274 A284275 A284276 * A284278 A284279 A284280 KEYWORD nonn,more AUTHOR Sergey Pavlov, Mar 24 2017 STATUS approved

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Last modified January 17 09:32 EST 2020. Contains 330949 sequences. (Running on oeis4.)